Tremors -

Occurs when a body part is relaxed and fully supported against gravity. This is most frequently associated with Parkinson’s disease .

A specific type of kinetic tremor that worsens as a limb approaches a target (e.g., finger-to-nose testing). Essential Tremor - StatPearls - NCBI Bookshelf Tremors

During any voluntary movement, such as drinking from a glass. Occurs when a body part is relaxed and

A medical tremor is an involuntary, rhythmic, and oscillatory movement of a body part. It is the most common movement disorder encountered in clinical practice and is generally classified by when it occurs and which body parts are affected. holding arms outstretched).

Occurs during voluntary muscle contraction. It is further subdivided into:

When holding a limb motionless against gravity (e.g., holding arms outstretched).